je.st
news
Tag: extinction
Framing the End: Extinction as Art
2015-04-10 23:22:00| Climate Ark Climate Change & Global Warming Newsfeed
LiveScience: It is tricky to measure the number of species going extinct each year on our planet -- it all depends on how many species of flora and fauna exist, a difficult number to pin down. What most scientists can agree on, however, is that the extinction rate is 1,000 to 10,000 times higher than it would be if people weren't around. While those changes don't appear to impact our everyday lives -- the extinction of a little-known tree frog doesn't change how long we wait in line for our morning coffee...
Tags: end
art
framing
extinction
Ocean Acidification Triggered Greatest Mass Extinction Ever
2015-04-10 23:03:00| Climate Ark Climate Change & Global Warming Newsfeed
Nature World: It's no secret that ocean acidification caused by climate change is currently wreaking havoc on our oceans, but a new study shows that acidic oceans also triggered the greatest mass extinction ever on Earth. Thanks to extreme volcanic activity about 252 million years ago, the world's oceans changed so drastically that it wiped out more than 90 percent of marine species, and more than two-thirds of the animals living on land. The event occurred when Earth's oceans absorbed huge amounts of carbon...
Tags: mass
greatest
ocean
triggered
Acidic oceans helped fuel extinction
2015-04-09 22:21:00| Climate Ark Climate Change & Global Warming Newsfeed
BBC: Acidic oceans helped fuel the biggest mass extinction in the history of life on Earth, a study says. The exact causes behind the Permian-Triassic mass extinction have been much debated. Two separate pulses of CO2 into the atmosphere - a "one-two punch" - may have helped fuel the die-off, new research suggests. Changes to ocean acidity would have been one of the consequences, according to the study in Science journal. Computer models suggested that this CO2 may have been released by massive...
Tags: helped
fuel
extinction
oceans
Acidic oceans implicated in Earth's worst mass extinction
2015-04-09 20:20:00| Climate Ark Climate Change & Global Warming Newsfeed
Reuters: It is one of science's enduring mysteries: what caused the worst mass extinction in Earth's history. And, no, it is not the one that wiped out the dinosaurs. Scientists said on Thursday that huge amounts of carbon dioxide spewed from colossal volcanic eruptions in Siberia may have turned the world's oceans dangerously acidic 252 million years ago, helping to drive a global environmental calamity that killed most land and sea creatures. The researchers studied rocks in the United Arab Emirates...
Tags: mass
worst
extinction
oceans
Greatest mass extinction driven by acidic oceans, study finds
2015-04-09 12:00:00| LifeSciencesWorld
[NEWS] Changes to the Earth's oceans, caused by extreme volcanic activity, triggered the greatest extinction of all time, a study suggests.The event, which took place 252 million years ago, wiped out more than 90 per cent of marine species and more than two-thirds of the animals living on land. It happened when Earth's oceans absorbed huge amounts of carbon dioxide from volcanic eruptions, researchers say. This ch…
Tags: study
mass
greatest
driven
Sites : [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] next »